b7111d51e5a77bca18ad278cee2b990937ab9e23d58b60f7d6f16093a0971906

Analysis

max time kernel
103s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12-07-2024 15:16

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General

Target

dheater-0.4.3/data/dhparam-ffdhe-4096-openssl-325.pem
Size

774B
MD5

b938d72601fdf6b32ded47eeccfb9209
SHA1

8dbcc8193ca2cfb9032c888f0f15b9090dc9d300
SHA256

c08b423e60c81f76b67b49e29327e3d26a4efeeb9cfb014f2dd867a085cbcfaa
SHA512

9b25de82b959af42b615c405b1ffabe5817e6428a9dfd4a394c1203168f92923f196b9afc898900bc7b64e977157ec8f26d58d44a2d811af6b0c7a8ddc062a93

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pem_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pem_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pem_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pem_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pem\ = "pem_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pem	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pem_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pem_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2208	3012	cmd.exe	30
PID 3012 wrote to memory of 2208	3012	cmd.exe	30
PID 3012 wrote to memory of 2208	3012	cmd.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	31
PID 2208 wrote to memory of 2732	2208	rundll32.exe	31
PID 2208 wrote to memory of 2732	2208	rundll32.exe	31
PID 2208 wrote to memory of 2732	2208	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\dheater-0.4.3\data\dhparam-ffdhe-4096-openssl-325.pem
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\dheater-0.4.3\data\dhparam-ffdhe-4096-openssl-325.pem
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\dheater-0.4.3\data\dhparam-ffdhe-4096-openssl-325.pem"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
0c1dbcac2aee29510080ccc089386514

SHA1
b5a56a28876b7e2771446f2d1dc7ba8afe3755cf

SHA256
cc9c002e40be6550d1fa21318c08ec05e45071d22a9e924ac015f6e76c0aec8f

SHA512
f5b1cf97d8f4573352fa7138da9a90956025ca07109b30b819d3150334562634d0438a5e8db7566666192d8416c9ff4a1eb1c4971f5e3d076476cfbca857907b

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